Software Engineer
Simple AI
San Francisco, CA · $130k–$280k a year · Posted October 11, 2026
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Where San Francisco, CA ranks
Where San Francisco, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for security jobs316 openings · of 20
- #1Best cities for technology jobs7,178 openings · of 100
- #1Best cities for financial services pay after cost of living$173k · of 33
- #1Best cities for entry-level jobs that want AI skills35% · of 100
- #1Best cities for entry-level jobs that want AI skills in the West Coast35% · of 54
- #1Cities with the most jobs that do not need a four-year degree in the West Coast902 jobs · of 47
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing pays about $205,000 a year. Across 787 open software engineer listings that state pay, the middle half runs $157,500 to $248,500 and the median is $195,000. That is inside the middle half of those listings, 5% above the median.
Listed pay is what employers advertise, not what people are paid.
How AI is used in this kind of work
Among software developers, AI is already used for some of the tasks. Measured exposure for software developers: 29% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
ABOUT SIMPLE
Simple AI http://usesimple.ai builds voice AI agents that help businesses grow revenue. Our customers include Omaha Steaks, DoorDash, and Renewal by Andersen. Our agents qualify leads, book appointments, take orders, and upsell, turning phone conversations into revenue opportunities.
Simple AI raised $14M from world-class investors and operators like Y Combinator, First Harmonic, Massive Tech Ventures, Michael Seibel, Jared Friedman, Alexandr Wang, Matt Van Horn, Suhail Doshi, and Scott Wu.
THE TEAM
The founders (Catheryn https://www.linkedin.com/in/catherynli/ and Zach https://www.linkedin.com/in/zach-kamran/) met while running software teams at YC, where they shipped tons of new products for YC founders, including YC’s co-founder matching site. Cat previously worked at Instagram and Facebook and earned degrees in math and computer science at MIT. Zach previously studied computer science and statistics at U Chicago and led software at PEAK6. We have grown into a strong team of 20+ and are continuing to scale quickly.
ABOUT THE ROLE
We are looking for founding software engineers to help us build the core systems behind Simple AI’s voice agents. You will work across product to make our agents faster, more reliable, and more capable in real production environments.
This is a high-ownership engineering role. You will ship customer-facing features, improve latency and reliability, build internal tools, debug complex edge cases, and help us scale the platform as customer demand grows.
Engineers here work close to the product and close to customers. You should be excited to move fast, own large parts of the system, and build technology that directly impacts revenue for businesses using Simple.
WHAT WE OFFER
- Competitive salary & meaningful equity
- Employee-friendly equity terms
- An office located in SF
- Health, dental & vision insurance
- Free lunch & dinner at the office
- Late night Ubers
- Regular team events & offsites
WHAT YOU'LL NEED
- 4+ years of relevant work experience.
- Strong problem-solving skills and enthusiasm for addressing technical challenges.
- A customer-first mindset with strong communication skills and interest in product design and prioritization.
- Self-motivated and able to work independently.
- Passion about learning and keeping up with latest AI advancements.
NICE TO HAVE
- Previous experience with prompt engineering or working with AI/LLM-based platforms.
- Experience as an early-stage startup engineer or founder.
- Experience with TypeScript, React, Python, Ruby on Rails, PostgreSQL, AWS.
IF YOU’RE EXCITED TO BUILD, TAKE OWNERSHIP, AND HELP SHAPE AN EARLY-STAGE AI COMPANY, WE’D LOVE TO CHAT.
Please note: At this time, Simple AI is unable to provide employment visa sponsorship for this role. We appreciate your interest and understanding.